MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 143152208fb2b0e16a666019a6d0c0a4c8b5177707d24d1a1bb97568f34bd089. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



AgentTesla


Vendor detections: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 143152208fb2b0e16a666019a6d0c0a4c8b5177707d24d1a1bb97568f34bd089
SHA3-384 hash: 534abb0e2c2e14c490c0c446f7b424043d4b09e48aded3cacb01d0c715b946589438e6072080cf3667eef7608cbdce72
SHA1 hash: 55cac7d17220ed12412d05806f62d75237a1cc13
MD5 hash: 08136a322a7e81c7af948d4330dc0074
humanhash: eight-island-november-hot
File name:Uvjpldvmb.exe
Download: download sample
Signature AgentTesla
File size:81'920 bytes
First seen:2023-08-17 14:04:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 1536:X9L3qG7+64IfOPqIVviBU7+5UNI+0s45DT2BIzKRE8VST6EDfSEAvEpg2qo3:NL3qG7+64I2Nvi4I+o+ST6Yf4EZqg
Threatray 5'541 similar samples on MalwareBazaar
TLSH T1D68307290788476BC369C1B8E6C1004597FAF2A76803FB46FD8C5BA92F573F592126C7
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
292
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Uvjpldvmb.exe
Verdict:
Malicious activity
Analysis date:
2023-08-17 14:05:45 UTC
Tags:
stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control lolbin packed replace
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Creates multiple autostart registry keys
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: MSBuild connects to smtp port
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1292815 Sample: Uvjpldvmb.exe Startdate: 17/08/2023 Architecture: WINDOWS Score: 100 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 6 other signatures 2->60 6 Uvjpldvmb.exe 16 6 2->6         started        11 Vxhpyfth.exe 14 6 2->11         started        13 Vxhpyfth.exe 2->13         started        15 2 other processes 2->15 process3 dnsIp4 52 files.catbox.moe 108.181.20.39, 443, 49719, 49726 ASN852CA Canada 6->52 36 C:\Users\user\AppData\Roaming\Vxhpyfth.exe, PE32 6->36 dropped 76 Creates multiple autostart registry keys 6->76 78 Writes to foreign memory regions 6->78 80 Injects a PE file into a foreign processes 6->80 17 MSBuild.exe 16 4 6->17         started        22 MSBuild.exe 6->22         started        24 MSBuild.exe 6->24         started        82 Multi AV Scanner detection for dropped file 11->82 26 MSBuild.exe 11->26         started        28 MSBuild.exe 13->28         started        30 conhost.exe 15->30         started        32 conhost.exe 15->32         started        file5 signatures6 process7 dnsIp8 38 api4.ipify.org 104.237.62.211, 443, 49721, 49757 WEBNXUS United States 17->38 40 wecaresvc.com 103.138.106.17, 49727, 49728, 49783 ABOVE-AS-APAboveNetCommunicationsTaiwanTW Taiwan; Republic of China (ROC) 17->40 46 2 other IPs or domains 17->46 34 C:\Users\user\AppData\Roaming\...bJgI.exe, PE32 17->34 dropped 62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->62 64 Tries to steal Mail credentials (via file / registry access) 17->64 66 Creates multiple autostart registry keys 17->66 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 22->68 70 May check the online IP address of the machine 22->70 42 192.168.2.1 unknown unknown 26->42 48 2 other IPs or domains 26->48 44 173.231.16.76, 443, 49785 WEBNXUS United States 28->44 50 2 other IPs or domains 28->50 72 Tries to harvest and steal browser information (history, passwords, etc) 28->72 74 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->74 file9 signatures10
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2023-08-17 14:05:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Unpacked files
SH256 hash:
143152208fb2b0e16a666019a6d0c0a4c8b5177707d24d1a1bb97568f34bd089
MD5 hash:
08136a322a7e81c7af948d4330dc0074
SHA1 hash:
55cac7d17220ed12412d05806f62d75237a1cc13
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 143152208fb2b0e16a666019a6d0c0a4c8b5177707d24d1a1bb97568f34bd089

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments